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gimp/plug-ins/common/mblur.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Motion Blur plug-in for GIMP 0.99
* Copyright (C) 1997 Daniel Skarda (0rfelyus@atrey.karlin.mff.cuni.cz)
*
* This plug-in is port of Motion Blur plug-in for GIMP 0.54 by Thorsten Martinsen
* Copyright (C) 1996 Torsten Martinsen <torsten@danbbs.dk>
* Bresenham algorithm stuff hacked from HP2xx written by Heinz W. Werntges
* Changes for version 1.11/1.12 Copyright (C) 1996 Federico Mena Quintero
* quartic@polloux.fciencias.unam.mx
*
* I also used some code from Whirl and Pinch plug-in by Federico Mena Quintero
* (federico@nuclecu.unam.mx)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Version 1.2
*
* Everything is new - no changes
*
* TODO:
* Bilinear interpolation from original mblur for 0.54
* Speed all things up
* ? better caching scheme
* - while bluring along long trajektory do not averrage all
* pixels but averrage only few samples
* Function for weight of samples along trajectory
* Preview
* Support paths in GiMP 1.1 :-)
* Smash all bugs :-)
*/
#include <signal.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <libgimp/gimp.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif /* M_PI */
#define PLUG_IN_NAME "plug_in_mblur"
#define PLUG_IN_VERSION "Sep 1997, 1.2"
#define MBLUR_LINEAR 0
#define MBLUR_RADIAL 1
#define MBLUR_ZOOM 2
#define MBLUR_MAX MBLUR_ZOOM
typedef struct {
gint32 mblur_type;
gint32 length;
gint32 angle;
} mblur_vals_t;
typedef struct {
gint col, row;
gint img_width, img_height, img_bpp, img_has_alpha;
gint tile_width, tile_height;
guchar bg_color[4];
GDrawable *drawable;
GTile *tile;
} pixel_fetcher_t;
/***** Prototypes *****/
static void query(void);
static void run(char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals);
static pixel_fetcher_t *pixel_fetcher_new(GDrawable *drawable);
static void pixel_fetcher_set_bg_color(pixel_fetcher_t *pf, guchar r, guchar g, guchar b, guchar a);
static void pixel_fetcher_get_pixel(pixel_fetcher_t *pf, int x, int y, guchar *pixel);
static void pixel_fetcher_destroy(pixel_fetcher_t *pf);
static void mblur(void);
static void mblur_linear(void);
static void mblur_radial(void);
static void mblur_zoom(void);
static void dialog_close_callback(GtkWidget *, gpointer);
static void dialog_ok_callback(GtkWidget *, gpointer);
static void dialog_cancel_callback(GtkWidget *, gpointer);
static void dialog_help_callback(GtkWidget *, gpointer);
static void dialog_scale_update(GtkAdjustment *, gint32 *);
static void dialog_toggle_update(GtkWidget *, gint32);
static gboolean mblur_dialog(void);
/***** Variables *****/
GPlugInInfo PLUG_IN_INFO = {
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run /* run_proc */
}; /* PLUG_IN_INFO */
static mblur_vals_t mbvals = {
MBLUR_LINEAR, /* mblur_type */
5, /* length */
45 /* radius */
}; /* mb_vals */
static gboolean mb_run = FALSE;
static GDrawable *drawable;
static gint img_width, img_height, img_bpp, img_has_alpha;
static gint sel_x1, sel_y1, sel_x2, sel_y2;
static gint sel_width, sel_height;
static double cen_x, cen_y;
/***** Functions *****/
/*****/
MAIN()
/*****/
static void
query(void)
{
static GParamDef args[] = {
{ PARAM_INT32, "run_mode", "Interactive, non-interactive" },
{ PARAM_IMAGE, "image", "Input image" },
{ PARAM_DRAWABLE, "drawable", "Input drawable" },
{ PARAM_INT32, "type", "Type of motion blur (0 - linear, 1 - radial, 2 - zoom)" },
{ PARAM_INT32, "length", "Length" },
{ PARAM_INT32, "angle", "Angle" }
}; /* args */
static GParamDef *return_vals = NULL;
static int nargs = sizeof(args) / sizeof(args[0]);
static int nreturn_vals = 0;
gimp_install_procedure(PLUG_IN_NAME,
"Motion blur of image",
"This plug-in simulates the effect seen when photographing a"
"moving object at a slow shutter speed."
"Done by adding multiple displaced copies.",
"Torsten Martinsen, Federico Mena Quintero and Daniel Skarda",
"Torsten Martinsen, Federico Mena Quintero and Daniel Skarda",
PLUG_IN_VERSION,
"<Image>/Filters/Blur/Motion Blur",
"RGB*, GRAY*",
PROC_PLUG_IN,
nargs,
nreturn_vals,
args,
return_vals);
} /* query */
/*****/
static void
run(char *name,
int nparams,
GParam *param,
int *nreturn_vals,
GParam **return_vals)
{
static GParam values[1];
GRunModeType run_mode;
GStatusType status;
#if 0
printf("Waiting... (pid %d)\n", getpid());
kill(getpid(), SIGSTOP);
#endif
status = STATUS_SUCCESS;
run_mode = param[0].data.d_int32;
values[0].type = PARAM_STATUS;
values[0].data.d_status = status;
*nreturn_vals = 1;
*return_vals = values;
/* Get the active drawable info */
drawable = gimp_drawable_get(param[2].data.d_drawable);
img_width = gimp_drawable_width(drawable->id);
img_height = gimp_drawable_height(drawable->id);
img_bpp = gimp_drawable_bpp(drawable->id);
img_has_alpha = gimp_drawable_has_alpha(drawable->id);
gimp_drawable_mask_bounds(drawable->id, &sel_x1, &sel_y1, &sel_x2, &sel_y2);
/* Calculate scaling parameters */
sel_width = sel_x2 - sel_x1;
sel_height = sel_y2 - sel_y1;
cen_x = (double) (sel_x1 + sel_x2 - 1) / 2.0;
cen_y = (double) (sel_y1 + sel_y2 - 1) / 2.0;
switch (run_mode) {
case RUN_INTERACTIVE:
/* Possibly retrieve data */
gimp_get_data(PLUG_IN_NAME, &mbvals);
/* Get information from the dialog */
if (!mblur_dialog())
return;
break;
case RUN_NONINTERACTIVE:
/* Make sure all the arguments are present */
if (nparams != 6)
status = STATUS_CALLING_ERROR;
if (status == STATUS_SUCCESS) {
mbvals.mblur_type = param[3].data.d_int32;
mbvals.length = param[4].data.d_int32;
mbvals.angle = param[5].data.d_int32;
} /* if */
if ((mbvals.mblur_type < 0) && (mbvals.mblur_type > MBLUR_ZOOM))
status= STATUS_CALLING_ERROR;
break;
case RUN_WITH_LAST_VALS:
/* Possibly retrieve data */
gimp_get_data(PLUG_IN_NAME, &mbvals);
break;
default:
break;
} /* switch */
/* Blur the image */
if ((status == STATUS_SUCCESS) &&
(gimp_drawable_color(drawable->id) ||
gimp_drawable_gray(drawable->id))) {
/* Set the tile cache size */
gimp_tile_cache_ntiles(2 * (drawable->width + gimp_tile_width() - 1) / gimp_tile_width());
/* Run! */
mblur();
/* If run mode is interactive, flush displays */
if (run_mode != RUN_NONINTERACTIVE)
gimp_displays_flush();
/* Store data */
if (run_mode == RUN_INTERACTIVE)
gimp_set_data(PLUG_IN_NAME, &mbvals, sizeof(mblur_vals_t));
} else if (status == STATUS_SUCCESS)
status = STATUS_EXECUTION_ERROR;
values[0].data.d_status = status;
gimp_drawable_detach(drawable);
} /* run */
/*****/
static void
mblur_linear(void)
{
GPixelRgn dest_rgn;
pixel_fetcher_t *pft;
gpointer pr;
guchar *dest, *d;
guchar pixel[4], bg_color[4];
gint32 sum[4];
gint progress, max_progress;
gint c;
int x, y, i, xx, yy, n;
int dx, dy, px, py, swapdir, err, e, s1, s2;
gimp_pixel_rgn_init(&dest_rgn, drawable, sel_x1, sel_y1, sel_width, sel_height, TRUE, TRUE);
pft = pixel_fetcher_new(drawable);
gimp_palette_get_background(&bg_color[0], &bg_color[1], &bg_color[2]);
pixel_fetcher_set_bg_color(pft, bg_color[0], bg_color[1], bg_color[2], (img_has_alpha ? 0 : 255));
progress = 0;
max_progress = sel_width * sel_height;
n = mbvals.length;
px = n*cos(mbvals.angle/180.0*M_PI);
py = n*sin(mbvals.angle/180.0*M_PI);
/*
* Initialization for Bresenham algorithm:
* dx = abs(x2-x1), s1 = sign(x2-x1)
* dy = abs(y2-y1), s2 = sign(y2-y1)
*/
if ((dx = px) != 0) {
if (dx < 0) {
dx = -dx;
s1 = -1;
}
else
s1 = 1;
} else
s1 = 0;
if ((dy = py) != 0) {
if (dy < 0) {
dy = -dy;
s2 = -1;
}
else
s2 = 1;
} else
s2 = 0;
if (dy > dx) {
swapdir = dx;
dx = dy;
dy = swapdir;
swapdir = 1;
}
else
swapdir = 0;
dy *= 2;
err = dy - dx; /* Initial error term */
dx *= 2;
for (pr = gimp_pixel_rgns_register (1, &dest_rgn); pr != NULL; pr = gimp_pixel_rgns_process (pr)) {
dest = dest_rgn.data;
for (y = dest_rgn.y; y < (dest_rgn.y + dest_rgn.h); y++) {
d = dest;
for (x = dest_rgn.x; x < (dest_rgn.x + dest_rgn.w); x++) {
xx = x; yy = y; e = err;
for (c= 0; c < img_bpp; c++) sum[c]= 0;
for (i = 0; i < n; ) {
pixel_fetcher_get_pixel(pft,xx,yy,pixel);
for (c= 0; c < img_bpp; c++)
sum[c]+= pixel[c];
i++;
while (e >= 0) {
if (swapdir)
xx += s1;
else
yy += s2;
e -= dx;
}
if (swapdir)
yy += s2;
else
xx += s1;
e += dy;
if ((xx < sel_x1)||(xx >= sel_x2)||(yy < sel_y1)||(yy >= sel_y2))
break;
}
if ( i==0 )
{
pixel_fetcher_get_pixel(pft,xx,yy,d);
}
else
{
for (c=0; c < img_bpp; c++)
d[c]= sum[c] / i;
}
d+= dest_rgn.bpp;
}
dest += dest_rgn.rowstride;
}
progress += dest_rgn.w * dest_rgn.h;
gimp_progress_update((double) progress / max_progress);
}
pixel_fetcher_destroy(pft);
}
static void
mblur_radial(void)
{
GPixelRgn dest_rgn;
pixel_fetcher_t *pft;
gpointer pr;
guchar *dest, *d;
guchar pixel[4], bg_color[4];
gint32 sum[4];
gint progress, max_progress, c;
int x, y, i, n, xr, yr;
int count, R, r, w, h, step;
float angle, theta, * ct, * st, offset, xx, yy;
/* initialize */
xx = 0.0;
yy = 0.0;
gimp_pixel_rgn_init(&dest_rgn, drawable, sel_x1, sel_y1, sel_width, sel_height, TRUE, TRUE);
pft = pixel_fetcher_new(drawable);
gimp_palette_get_background(&bg_color[0], &bg_color[1], &bg_color[2]);
pixel_fetcher_set_bg_color(pft, bg_color[0], bg_color[1], bg_color[2], (img_has_alpha ? 0 : 255));
progress = 0;
max_progress = sel_width * sel_height;
angle = ((float) mbvals.angle)/180.0*M_PI;
w = MAX(img_width-cen_x, cen_x);
h = MAX(img_height-cen_y, cen_y);
R = sqrt(w*w + h*h);
n = 4*angle*sqrt(R)+2;
theta = angle/((float) (n-1));
if (((ct = malloc(n*sizeof(float))) == NULL) ||
((st = malloc(n*sizeof(float))) == NULL))
return;
offset = theta*(n-1)/2;
for (i = 0; i < n; ++i) {
ct[i] = cos(theta*i-offset);
st[i] = sin(theta*i-offset);
}
for (pr = gimp_pixel_rgns_register (1, &dest_rgn); pr != NULL; pr = gimp_pixel_rgns_process (pr)) {
dest = dest_rgn.data;
for (y = dest_rgn.y; y < (dest_rgn.y + dest_rgn.h); y++) {
d = dest;
for (x = dest_rgn.x; x < (dest_rgn.x + dest_rgn.w); x++) {
xr = x-cen_x;
yr = y-cen_y;
r = sqrt(xr*xr + yr*yr);
if (r == 0)
step = 1;
else if ((step = R/r) == 0)
step = 1;
else if (step > n-1)
step = n-1;
for (c=0; c < img_bpp; c++) sum[c]=0;
for (i = 0, count = 0; i < n; i += step) {
xx = cen_x + xr*ct[i] - yr*st[i];
yy = cen_y + xr*st[i] + yr*ct[i];
if ((yy < sel_y1) || (yy >= sel_y2) ||
(xx < sel_x1) || (xx >= sel_x2))
continue;
++count;
pixel_fetcher_get_pixel(pft,xx,yy,pixel);
for (c=0; c < img_bpp; c++)
sum[c]+= pixel[c];
}
if ( count==0 )
{
pixel_fetcher_get_pixel(pft,xx,yy,d);
}
else
{
for (c=0; c < img_bpp; c++)
d[c]= sum[c] / count;
}
d+= dest_rgn.bpp;
}
dest += dest_rgn.rowstride;
}
progress += dest_rgn.w * dest_rgn.h;
gimp_progress_update((double) progress / max_progress);
}
pixel_fetcher_destroy(pft);
free(ct);
free(st);
}
static void
mblur_zoom(void)
{
GPixelRgn dest_rgn;
pixel_fetcher_t *pft;
gpointer pr;
guchar *dest, *d;
guchar pixel[4], bg_color[4];
gint32 sum[4];
gint progress, max_progress;
int x, y, i, xx, yy, n, c;
float f;
/* initialize */
xx = 0.0;
yy = 0.0;
gimp_pixel_rgn_init(&dest_rgn, drawable, sel_x1, sel_y1, sel_width, sel_height, TRUE, TRUE);
pft = pixel_fetcher_new(drawable);
gimp_palette_get_background(&bg_color[0], &bg_color[1], &bg_color[2]);
pixel_fetcher_set_bg_color(pft, bg_color[0], bg_color[1], bg_color[2], (img_has_alpha ? 0 : 255));
progress = 0;
max_progress = sel_width * sel_height;
n = mbvals.length;
f = 0.02;
for (pr = gimp_pixel_rgns_register (1, &dest_rgn); pr != NULL; pr = gimp_pixel_rgns_process (pr))
{
dest = dest_rgn.data;
for (y = dest_rgn.y; y < (dest_rgn.y + dest_rgn.h); y++) {
d = dest;
for (x = dest_rgn.x; x < (dest_rgn.x + dest_rgn.w); x++) {
for (c=0; c < img_bpp; c++) sum[c]=0;
for (i = 0; i < n; ++i) {
xx = cen_x + (x-cen_x)*(1.0 + f*i);
yy = cen_y + (y-cen_y)*(1.0 + f*i);
if ((yy < sel_y1) || (yy >= sel_y2) ||
(xx < sel_x1) || (xx >= sel_x2))
break;
pixel_fetcher_get_pixel(pft,xx,yy,pixel);
for (c= 0; c < img_bpp; c++)
sum[c]+= pixel[c];
}
if ( i==0 )
{
pixel_fetcher_get_pixel(pft,xx,yy,d);
}
else
{
for (c=0; c < img_bpp; c++)
d[c]= sum[c] / i;
}
d+= dest_rgn.bpp;
}
dest += dest_rgn.rowstride;
}
progress += dest_rgn.w * dest_rgn.h;
gimp_progress_update((double) progress / max_progress);
}
pixel_fetcher_destroy(pft);
}
static void
mblur(void)
{
gimp_progress_init("Bluring...");
switch (mbvals.mblur_type)
{
case MBLUR_LINEAR:
mblur_linear();
break;
case MBLUR_RADIAL:
mblur_radial();
break;
case MBLUR_ZOOM:
mblur_zoom();
break;
default:
;
}
gimp_drawable_flush(drawable);
gimp_drawable_merge_shadow(drawable->id, TRUE);
gimp_drawable_update(drawable->id, sel_x1, sel_y1, sel_width, sel_height);
}
/*****************************************
*
* pixel_fetcher from whirlpinch plug-in
*
****************************************/
static pixel_fetcher_t *
pixel_fetcher_new(GDrawable *drawable)
{
pixel_fetcher_t *pf;
pf = g_malloc(sizeof(pixel_fetcher_t));
pf->col = -1;
pf->row = -1;
pf->img_width = gimp_drawable_width(drawable->id);
pf->img_height = gimp_drawable_height(drawable->id);
pf->img_bpp = gimp_drawable_bpp(drawable->id);
pf->img_has_alpha = gimp_drawable_has_alpha(drawable->id);
pf->tile_width = gimp_tile_width();
pf->tile_height = gimp_tile_height();
pf->bg_color[0] = 0;
pf->bg_color[1] = 0;
pf->bg_color[2] = 0;
pf->bg_color[3] = 0;
pf->drawable = drawable;
pf->tile = NULL;
return pf;
} /* pixel_fetcher_new */
/*****/
static void
pixel_fetcher_set_bg_color(pixel_fetcher_t *pf, guchar r, guchar g, guchar b, guchar a)
{
pf->bg_color[0] = r;
pf->bg_color[1] = g;
pf->bg_color[2] = b;
if (pf->img_has_alpha)
pf->bg_color[pf->img_bpp - 1] = a;
} /* pixel_fetcher_set_bg_color */
/*****/
static void
pixel_fetcher_get_pixel(pixel_fetcher_t *pf, int x, int y, guchar *pixel)
{
gint col, row;
gint coloff, rowoff;
guchar *p;
int i;
if ((x < sel_x1) || (x >= sel_x2) ||
(y < sel_y1) || (y >= sel_y2)) {
for (i = 0; i < pf->img_bpp; i++)
pixel[i] = pf->bg_color[i];
return;
} /* if */
col = x / pf->tile_width;
coloff = x % pf->tile_width;
row = y / pf->tile_height;
rowoff = y % pf->tile_height;
if ((col != pf->col) ||
(row != pf->row) ||
(pf->tile == NULL)) {
if (pf->tile != NULL)
gimp_tile_unref(pf->tile, FALSE);
pf->tile = gimp_drawable_get_tile(pf->drawable, FALSE, row, col);
gimp_tile_ref(pf->tile);
pf->col = col;
pf->row = row;
} /* if */
p = pf->tile->data + pf->img_bpp * (pf->tile->ewidth * rowoff + coloff);
for (i = pf->img_bpp; i; i--)
*pixel++ = *p++;
} /* pixel_fetcher_get_pixel */
/*****/
static void
pixel_fetcher_destroy(pixel_fetcher_t *pf)
{
if (pf->tile != NULL)
gimp_tile_unref(pf->tile, FALSE);
g_free(pf);
} /* pixel_fetcher_destroy */
/****************************************
*
* UI
*
****************************************/
static gboolean
mblur_dialog(void)
{
GtkWidget *dialog;
GtkWidget *oframe, *iframe;
GtkWidget *evbox, *ovbox, *ivbox;
GtkWidget *button, *label;
GtkWidget *scale;
GtkObject *adjustment;
gint argc;
gchar **argv;
argc = 1;
argv = g_new(gchar *, 1);
argv[0] = g_strdup("whirlpinch");
gtk_init(&argc, &argv);
gtk_rc_parse (gimp_gtkrc ());
gdk_set_use_xshm(gimp_use_xshm());
dialog= gtk_dialog_new();
gtk_window_set_title(GTK_WINDOW(dialog), "Motion blur");
gtk_window_position(GTK_WINDOW(dialog), GTK_WIN_POS_MOUSE);
gtk_container_border_width(GTK_CONTAINER(dialog), 0);
gtk_signal_connect(GTK_OBJECT(dialog), "destroy",
(GtkSignalFunc) dialog_close_callback,
NULL);
button = gtk_button_new_with_label("OK");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) dialog_ok_callback,
dialog);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area), button, TRUE, TRUE, 0);
gtk_widget_grab_default(button);
gtk_widget_show(button);
button = gtk_button_new_with_label("Cancel");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) dialog_cancel_callback,
dialog);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area), button, TRUE, TRUE, 0);
gtk_widget_show(button);
button = gtk_button_new_with_label("Help");
GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
gtk_signal_connect(GTK_OBJECT(button), "clicked",
(GtkSignalFunc) dialog_help_callback,
dialog);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area),
button, TRUE, TRUE, 0);
gtk_widget_set_sensitive(button, FALSE);
gtk_widget_show(button);
/********************/
evbox= gtk_vbox_new(FALSE, 5);
gtk_container_border_width (GTK_CONTAINER (evbox), 5);
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
evbox, FALSE,FALSE,0);
oframe= gtk_frame_new("Options");
gtk_frame_set_shadow_type(GTK_FRAME(oframe), GTK_SHADOW_ETCHED_IN);
gtk_box_pack_start(GTK_BOX(evbox),
oframe, TRUE, TRUE, 0);
ovbox= gtk_vbox_new(FALSE, 5);
gtk_container_border_width (GTK_CONTAINER (ovbox), 5);
gtk_container_add(GTK_CONTAINER(oframe), ovbox);
label=gtk_label_new("Length");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(ovbox), label, FALSE, FALSE, 0);
gtk_widget_show(label);
adjustment = gtk_adjustment_new( mbvals.length, 0.0, 256.0,
1.0, 1.0, 1.0);
gtk_signal_connect(adjustment,"value_changed",
(GtkSignalFunc) dialog_scale_update,
&(mbvals.length));
scale= gtk_hscale_new( GTK_ADJUSTMENT(adjustment));
gtk_widget_set_usize(GTK_WIDGET(scale), 150, 30);
gtk_range_set_update_policy(GTK_RANGE(scale), GTK_UPDATE_DELAYED);
gtk_scale_set_digits(GTK_SCALE(scale), 0);
gtk_scale_set_draw_value(GTK_SCALE(scale), TRUE);
gtk_box_pack_start(GTK_BOX(ovbox), scale, FALSE, FALSE,0);
gtk_widget_show( scale );
/*****/
iframe= gtk_frame_new("Blur type");
gtk_frame_set_shadow_type(GTK_FRAME(iframe), GTK_SHADOW_ETCHED_IN);
gtk_box_pack_start(GTK_BOX(ovbox),
iframe, FALSE, FALSE, 0);
ivbox= gtk_vbox_new(FALSE, 5);
gtk_container_border_width (GTK_CONTAINER (ivbox), 5);
gtk_container_add(GTK_CONTAINER(iframe), ivbox);
{
int i;
char * name[3]= {"Linear", "Radial", "Zoom"};
button= NULL;
for (i=0; i < 3; i++)
{
button= gtk_radio_button_new_with_label(
(button==NULL)? NULL :
gtk_radio_button_group(GTK_RADIO_BUTTON(button)),
name[i]);
gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button),
(mbvals.mblur_type==i));
gtk_signal_connect (GTK_OBJECT (button), "toggled",
(GtkSignalFunc) dialog_toggle_update,
(gpointer) i);
gtk_box_pack_start(GTK_BOX(ivbox), button, FALSE, FALSE,0);
gtk_widget_show(button);
}
}
gtk_widget_show(ivbox);
gtk_widget_show(iframe);
/*****/
label=gtk_label_new("Angle");
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(ovbox), label, FALSE, FALSE, 0);
gtk_widget_show(label);
adjustment = gtk_adjustment_new( mbvals.angle, 0.0, 360.0,
1.0, 1.0, 1.0);
gtk_signal_connect(adjustment,"value_changed",
(GtkSignalFunc) dialog_scale_update,
&(mbvals.angle));
scale= gtk_hscale_new( GTK_ADJUSTMENT(adjustment));
gtk_widget_set_usize(GTK_WIDGET(scale), 150, 30);
gtk_range_set_update_policy(GTK_RANGE(scale), GTK_UPDATE_DELAYED);
gtk_scale_set_digits(GTK_SCALE(scale), 0);
gtk_scale_set_draw_value(GTK_SCALE(scale), TRUE);
gtk_box_pack_start(GTK_BOX(ovbox), scale, FALSE, FALSE,0);
gtk_widget_show( scale );
gtk_widget_show(ovbox);
gtk_widget_show(oframe);
gtk_widget_show(evbox);
gtk_widget_show(dialog);
gtk_main();
gdk_flush();
return mb_run;
}
static void
dialog_close_callback(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
static void
dialog_ok_callback(GtkWidget *widget, gpointer data)
{
mb_run= TRUE;
gtk_widget_destroy(GTK_WIDGET(data));
}
static void
dialog_cancel_callback(GtkWidget *widget, gpointer data)
{
gtk_widget_destroy(GTK_WIDGET(data));
}
static void
dialog_help_callback(GtkWidget *widget, gpointer data)
{
}
/*****/
static void
dialog_scale_update(GtkAdjustment *adjustment, gint32 *value)
{
*value= adjustment->value;
}
static void
dialog_toggle_update(GtkWidget *widget, gint32 value)
{
if (GTK_TOGGLE_BUTTON (widget)->active)
mbvals.mblur_type= value;
}
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